Velan紧密密封
闸阀和截止阀
波纹管密封阀
Valan Hermetically Seated
Gate and Globe
Bellows Seal Valves

用于乙烯领域的大型DN50至DN300波纹管密封阀
Large 2 - 12" bellows sealed valves
for Ethylene service.

2500磅级紧密密封Y型波纹管密封阀门
Class 2500 hermetically-seated Y-Pattern bellows sealed valves.

安装在苯分离反应器上的波纹管密封阀
Bellows seal valves on a benzene isolation reactor.